All good things must come to an end.

And sadly, the legendary Lionel Messi announced Monday that he is retiring from international soccer.

In a post on Instagram that showed a notebook entry written in Spanish, Messi confirmed his retirement from the Argentina national team at the age of 39. (RELATED: Novak Djokovic Suffers Mammoth Upset Against Mariano Navone In US Open 1st Round)

Playing in........

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